Q--Where is my serial #?
A—Serial numbers are required for our rebate form in order to ensure that only one rebate is applied issued per product sold. Serial #’s are located in the following locations:
- MP3 Players
- Please click on the image of your player below




- Motherboards
- --- Usually located on top of the parallel port (If there is no parallel port, it wil be near the PS2 header) ******Exception—Models P4M800, MS945g-GLV, P4MSD800/D2, MSA2-6100V, MSNV-939 and MK8-939. The serial # on these are located on the bottom of the motherboard. It will begin with the model number then follow with a list of numbers*****
- Headphones
- --- On a sticker on the product packaging
- Cartunes and Cartunes Deluxe
- -----the serial number is the entire number located on the back of the product on a white sticker, and starts with the MK
Q--- My rebate form is requiring the original invoice, can I send a copy?
A--- At this particular time, if the form is requesting the original, please send only the original invoice. Do not send a copy.
If you are still having questions filling out the rebate form, please email us at faq@machspeed.com